TY - JOUR T1 - Drug patents: the high price of watchdog litigation JF - Canadian Medical Association Journal JO - CMAJ SP - E387 LP - E388 DO - 10.1503/cmaj.109-4474 VL - 185 IS - 9 AU - Roger Collier Y1 - 2013/06/11 UR - http://www.cmaj.ca/content/185/9/E387.abstract N2 - ER -